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Finding the Fourth Proportional to 8,580.82, 11,842.01 and 4,803.90

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Solution

The fourth proportional to 8,580.82, 11,842.01 and 4,803.90 is: 6,629.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580.82 : 11,842.01 = 4,803.90 : x
  2. Step 2: Convert to fraction form
    8,580.82/11,842.01 = 4,803.90/x
  3. Step 3: Cross multiply
    8,580.82x = 11,842.01 × 4,803.90
  4. Step 4: Simplify right side
    8,580.82x = 56,887,831.84
  5. Step 5: Solve for x
    x = 56,887,831.84/8,580.82
  6. Step 6: Final answer
    x = 6,629.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.